trc trg tri trn tro trp trr trt tru try tta ttc ttg tti ttn tto ttp ttr ttt ttu tty tua tuc tug tui tun tuo tup tur tut tuu tuy tya tyc tyg tyn tyo typ tyr tyt ua- uaa uac uag uai uan uao uap uar uat uau uay uca ucc ucg uci ucn uco ucp ucr uct ucu uga ugc ugg ugi ugn ugo ugp ugr ugt ugu uia uic uig uii uin uio uip uir uit uiu un- una unc ung uni unn uno unp unr unt unu uny uoa uoc uog uon uoo uop uor uot up- upa upc upg upi upn upo upp upr upt upu ur- ura urc urg uri urn uro urp urr urt uru ury uta utc uti utn uto utp utr utt utu uty uua uuc uug uun uur uut uuu uyc uyi uyo uyu yaa yac yag yai yan yao yap yar yat yau yay yca ycc yci yco ycp ycu ycy yga ygc ygo yig yii yin yio yip yir yit yna yng ynn ynp ynu yny yoc yog yoi yon yoo yop yor yot you yoy ypa ypg ypo ypu yra yrc yrg yrn yro yrp yrt yru yta ytc ytn yto ytp ytr ytt ytu yua yug yui yun yuo yup yur yut yuu yuy yyc yyg yyt yyu yyy